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JPL Small-Body Database Browser
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20926 (1101 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2020926
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04321199923841752 4.4227e-08  
a 2.682029351460419 1.5441e-08 au
q 2.566133501167697 1.2203e-07 au
i 3.59269368259165 4.5293e-06 deg
node 278.4471799947084 7.9438e-05 deg
peri 232.3886370592196 9.7872e-05 deg
M 103.2108185452762 5.5897e-05 deg
tp 2458540.543841646605
(2019-Feb-26.04384165)
0.00024957 TDB
period 1604.330043507835
4.39
1.3854e-05
3.793e-08
d
yr
n .2243927310697662 1.9378e-09 deg/d
Q 2.797925201753139 1.6108e-08 au
  Orbit Determination Parameters
   # obs. used (total)      868  
   data-arc span      17568 days (48.10 yr)  
   first obs. used      1971-03-24  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50323  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 23:15:56  

Additional Information
 Earth MOID = 1.57883 au 
 Jupiter MOID = 2.20017 au 
 T_jup = 3.372 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO467951  
diameter diameter 6.121 km 0.146 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20926 (1101 T-1)          Discovered 1971-Mar-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1959-Jul-02 04:57 00:01 Psych 0.00764809136085643 0.0076419783899178 0.00765420786525313 3.33065862869567 3.33065815372149 2436751.705993648 1.1858086541395 402.331551248039 53.3800455056218 -41.2537483221562 14273.4093288078 T 24 CATAB v2.0f-lin.ifort 2020-Feb-22 23:16:12 2020-Feb-22 23:16
2093-Nov-09 11:44 00:01 Juno 0.032900281753469 0.0328853784326419 0.0329151850872872 6.92152530316554 6.92152524974054 2485825.988594236 1.07494425623493 743.668222425116 47.5173836323359 2.54198866431258 8047.03047813306 T 24 CATAB v2.0f-lin.ifort 2020-Feb-22 23:16:12 2020-Feb-22 23:16
2104-May-20 11:00 00:01 Psych 0.0222566476038601 0.0222414802873143 0.0222718153234851 3.53554810788235 3.53554795412473 2489669.958068782 1.20596966120497 770.259027218395 54.5703565462603 -11.2477625457577 12616.8790765337 T 24 CATAB v2.0f-lin.ifort 2020-Feb-22 23:16:12 2020-Feb-22 23:16

Alternate Designations
 1101 T-1 = 1993 FS30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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